{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:S6LPDPN23UTMF5YJM63XJFVKAV","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"6b2a01691a6f39696aef2c977e3e98d3f7c0b94ec06227f84e4548e885f6821f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-18T12:34:01Z","title_canon_sha256":"fd3ac9abbded1d55ba9b29641ebe3dc720a4534bb1c4af30b7bec3e15ee72a36"},"schema_version":"1.0","source":{"id":"1709.05895","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.05895","created_at":"2026-05-18T00:28:44Z"},{"alias_kind":"arxiv_version","alias_value":"1709.05895v1","created_at":"2026-05-18T00:28:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.05895","created_at":"2026-05-18T00:28:44Z"},{"alias_kind":"pith_short_12","alias_value":"S6LPDPN23UTM","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"S6LPDPN23UTMF5YJ","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"S6LPDPN2","created_at":"2026-05-18T12:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:8b9fd47e466761b2889de85a44fc0f3696b6248f9a65d06af8597e7bd146b005","target":"graph","created_at":"2026-05-18T00:28:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We study the feedback of star formation and nuclear activity on the chemistry of molecular gas in NGC1068, a nearby (D=14Mpc) Seyfert 2 barred galaxy, by analyzing if the abundances of key molecular species like ethynyl (C2H), a classical tracer of PDR, change in the different environments of the disk of the galaxy. We have used ALMA to map the emission of the hyperfine multiplet of C2H(N=1-0) and its underlying continuum emission in the central r~35\"(2.5kpc)-region of the disk of NGC1068 with a spatial resolution 1.0\"x0.7\"(50-70pc). We have developed a set of time-dependent chemical models to","authors_text":"A. Alonso-Herrero, A. Fuente, A. Usero, C. Henkel, C. Ramos Almeida, F. Combes, F. Costagliola, L. J. Tacconi, L. K. Hunt, M. Krips, M. Querejeta, P. P. van der Werf, R. Aladro, R. Neri, S. Aalto, S. Garcia-Burillo, S. Martin, S. Viti, V. Casasola","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-18T12:34:01Z","title":"ALMA imaging of C2H emission in the disk of NGC1068"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.05895","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:09af1e00a0a284b0563ab009d9231c0b3768012986b39e22cdb3cd535eb8bf31","target":"record","created_at":"2026-05-18T00:28:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"6b2a01691a6f39696aef2c977e3e98d3f7c0b94ec06227f84e4548e885f6821f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-18T12:34:01Z","title_canon_sha256":"fd3ac9abbded1d55ba9b29641ebe3dc720a4534bb1c4af30b7bec3e15ee72a36"},"schema_version":"1.0","source":{"id":"1709.05895","kind":"arxiv","version":1}},"canonical_sha256":"9796f1bdbadd26c2f70967b77496aa0552b72aa28f87f5d05d5985bcc6692d74","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9796f1bdbadd26c2f70967b77496aa0552b72aa28f87f5d05d5985bcc6692d74","first_computed_at":"2026-05-18T00:28:44.565685Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:44.565685Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ryhgEfQsMZLfp+C0/z4aycljJHG36wIt0v7AjRSUFioDWNUZVVpg22dWpRZnAZfQS04w/VFizp6oPgG4RJtiAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:44.566374Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.05895","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:09af1e00a0a284b0563ab009d9231c0b3768012986b39e22cdb3cd535eb8bf31","sha256:8b9fd47e466761b2889de85a44fc0f3696b6248f9a65d06af8597e7bd146b005"],"state_sha256":"2bc688a2014cf260ae3f3b474e513eae3cd742b6bbefc6e977afb0b8882a1bc3"}